Service Manual
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... 1-2 Identification 1-3 Specifications 1-5 HP LaserJet 4 and 4 Plus 1-5 Related Documentation 1-7 Safety Information 1-8 Product and Laser Safety 1-8 FCC RFI Statement 1-9 Laser Statement (Sweden/Finland 1-10 Toner Safety 1-11 Ozone Statement 1-11 Doing Business with HP 1-12 Technical Assistance 1-12 HP ASAP 1-800-333-1917 (U.S 1-12 HP FIRST 1-12 HP FIRST, U.S 1-12 HP FIRST, Europe 1-12 HP AUDIO-TIPS 1-13 HP CompuServe Forum 1-13...
... 1-2 Identification 1-3 Specifications 1-5 HP LaserJet 4 and 4 Plus 1-5 Related Documentation 1-7 Safety Information 1-8 Product and Laser Safety 1-8 FCC RFI Statement 1-9 Laser Statement (Sweden/Finland 1-10 Toner Safety 1-11 Ozone Statement 1-11 Doing Business with HP 1-12 Technical Assistance 1-12 HP ASAP 1-800-333-1917 (U.S 1-12 HP FIRST 1-12 HP FIRST, U.S 1-12 HP FIRST, Europe 1-12 HP AUDIO-TIPS 1-13 HP CompuServe Forum 1-13...
Service Manual
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Printer Drivers 3-41 Install Printer Drivers and Utilities 3-41 How to Obtain Printer Drivers 3-41 DOS Utilities 3-42 Packing the Printer 3-43 Repackaging Instructions 3-43 Packing Checklist 3-43 Installing The Optional Lower Cassette 3-44 Loading Paper into the Optional Lower Cassette . . 3-45 Envelope Feeder Installation 3-49 LaserJet 4 and 4 Plus 3-50 LaserJet... 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the Toner Cartridge 4-7 Non-HP Toner Cartridges 4-9 Clearing...
Printer Drivers 3-41 Install Printer Drivers and Utilities 3-41 How to Obtain Printer Drivers 3-41 DOS Utilities 3-42 Packing the Printer 3-43 Repackaging Instructions 3-43 Packing Checklist 3-43 Installing The Optional Lower Cassette 3-44 Loading Paper into the Optional Lower Cassette . . 3-45 Envelope Feeder Installation 3-49 LaserJet 4 and 4 Plus 3-50 LaserJet... 4-3 Cleaning Your Printer 4-4 Toner Cartridge 4-5 Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only 4-6 Storing the Toner Cartridge 4-6 Installing the Toner Cartridge 4-7 Non-HP Toner Cartridges 4-9 Clearing...
Service Manual
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Resolution Enhancement (REt) The printer Formatter PCA contains circuitry for Resolution Enhancement technology (REt), which can also be thought of as "draft mode," is OFF. Note REt settings sent... Category) or from software or printer drivers override any control panel settings. 3-16 Configuration Available settings are Light, Medium, Dark or Off. The default setting is user selectable via a front panel key, a Printer Job Language (PJL) sequence using HP Explorer's Remote Control Panel or through application software. EconoMode (HP LaserJet 4 Plus and 5 only) The EconoMode ...
Resolution Enhancement (REt) The printer Formatter PCA contains circuitry for Resolution Enhancement technology (REt), which can also be thought of as "draft mode," is OFF. Note REt settings sent... Category) or from software or printer drivers override any control panel settings. 3-16 Configuration Available settings are Light, Medium, Dark or Off. The default setting is user selectable via a front panel key, a Printer Job Language (PJL) sequence using HP Explorer's Remote Control Panel or through application software. EconoMode (HP LaserJet 4 Plus and 5 only) The EconoMode ...
Service Manual
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...to locate the printer between the printer and the host. Protocol on the LaserJet 4 Plus or 5). When the default is set to change the settings on both the printer and the computer. Serial Protocol When printing with older computers. Since the default-printer I/O setting on the printer is parallel, ...If it is set to and from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Configuration 3-33 Serial Configuration Use RS-232C serial configuration when the printer is located 11 to use an RS-422A serial configuration (...
...to locate the printer between the printer and the host. Protocol on the LaserJet 4 Plus or 5). When the default is set to change the settings on both the printer and the computer. Serial Protocol When printing with older computers. Since the default-printer I/O setting on the printer is parallel, ...If it is set to and from the computer, use LaserJet Explorer, the Windows Printing System, and other software applications and drivers. Configuration 3-33 Serial Configuration Use RS-232C serial configuration when the printer is located 11 to use an RS-422A serial configuration (...
Service Manual
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Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only) Toner cartridge life can be extended dramatically by using the EconoMode printing feature of an opened cartridge package is approximately six months including ... selections. Storing the Toner Cartridge Do not remove the toner cartridge from the box. • In a normal office environment (for example, a location with the appropriate printer driver. Some software applications may refer to use it. The shelf life of an unopened cartridge package is recommended in portrait orientation only. Always store cartridges...
Saving Toner with EconoMode (HP LaserJet 4 Plus and 5 Only) Toner cartridge life can be extended dramatically by using the EconoMode printing feature of an opened cartridge package is approximately six months including ... selections. Storing the Toner Cartridge Do not remove the toner cartridge from the box. • In a normal office environment (for example, a location with the appropriate printer driver. Some software applications may refer to use it. The shelf life of an unopened cartridge package is recommended in portrait orientation only. Always store cartridges...